大约有 3,000 项符合查询结果（耗时：0.0274秒） [XML]
How to make HTML input tag only accept numerical values?
... Doesn't work in chrome 30. I have no trouble at all typing letters into your "number" input in the fiddle. Hmmm...
– Ben
Jun 30 '13 at 19:23
2
...
Deleting DataFrame row in Pandas based on column value
...sking:
In [56]: df
Out[56]:
line_date daysago line_race rating raw wrating
0 2007-03-31 62 11 56 1.000 56.000
1 2007-03-10 83 11 67 1.000 67.000
2 2007-02-10 111 9 66 1.000 66.000
3 2007-01-13 139 10 ...
“R cannot be resolved to a variable”? [duplicate]
...'s usually a typo or other problem in an XML layout file. Using a capital letter in your XML filenames will also cause that problem. If R.java does exist but variables in it aren't recognized by just one Java file, for instance, note whether that file is in the same package as R.java--if not, that...
How can I install Apache Ant on Mac OS X?
...mmand in a terminal window to install brew:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
It's a medium sized download which took me 10min to download and install. Just follow the process which involves installing various components. If you already have...
Does HTTP use UDP?
...r transferring HTTP data and streaming it to the end-user:
XMPP's Jingle Raw UDP Transport Method
A number for services that use UDT --- UDP-based Data Transfer Protocol, which is the a superset of UDP protocol.
The Transport Layer Security (TLS) protocol encapsulating HTTP as well as the above me...
MySQL load NULL values from CSV data
...
Thanks for the tip - I am sceptical to edit the raw source data but if this is the only way around it I will try it out.
– Spiros
Apr 20 '10 at 13:55
7
...
Installing vim with ruby support (+ruby)
...
On mac os x, assuming you have Homebrew installed:
brew install https://raw.github.com/Homebrew/homebrew-dupes/master/vim.rb
This version of vim has ruby support enabled
Source: http://blog.jerodsanto.net/2011/08/brew-install-vim/
EDIT: edited the url, thanks @david-xia for mentioning the cha...
Regular Expression to match string starting with “stop”
...ou can use
^[a-zA-Z0-9]+
Be wary that this second idiom will only match letters and numbers, no symbol whatsoever.
Check your regex flavor manual to know what shortcuts are allowed and what exactly do they match (and how do they deal with Unicode.)
...
Random color generator
...ndomColor() in place of "#0000FF":
function getRandomColor() {
var letters = '0123456789ABCDEF';
var color = '#';
for (var i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
function setRandomColor() {
$("#colorpad").css("b...
Foreign Key to multiple tables
...ject varchar(50) NULL
)
CREATE TABLE dbo.Owner
(
ID int NOT NULL,
User_ID int NULL,
Group_ID int NULL,
{{AdditionalEntity_ID}} int NOT NULL
)
With this solution, you would continue to add new columns as you add new entities to the database and you would delete and recreate the fo...